(2) Cobra CPI1575 1500 WATT DC to AC Car Power Inverters w/ 3 Outlets & USB Port Continuous Power: 1500 Watts Surge Power: 3000 Watts 3 grounded AC receptacles Protection: Overload, Short Circuit, Overtemp, Reverse Polarity, Under/Over Voltage USB Output 5V Allows charging and operation of modern office devices such as iPod's, Blackberry's and cell phones.